/Engine/Source/Runtime/Engine/Classes/Kismet/BlueprintMapLibrary.h
Finds the value associated with the provided Key
True if an item was found (False indicates nothing in the map uses the provided key)
static bool Map_Find ( const [TMap](API\Runtime\Core\Containers\TMap)< int32, int32 > & TargetMap, const int32 & Key, int32 & Value )